| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ALLWYN ENTERTAINMENT LTD | 13157556 | 01/10/2023 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BIRMINGHAM BROADCASTING LIMITED | 00685666 | 24/01/2003 | 08/08/2003 | Dissolved |
| BPI (BRITISH RECORDED MUSIC INDUSTRY) LIMITED | 01132389 | 17/11/2009 | 26/09/2012 | Bronze |
| CARDIFF BROADCASTING COMPANY LIMITED | 01369605 | 11/12/2002 | 08/08/2003 | Bronze |
| FIRST OXFORDSHIRE RADIO COMPANY LIMITED | 02247588 | 24/01/2003 | 08/08/2003 | Silver |
| FOUNDRY FILM STUDIOS LIMITED | 10292077 | 30/12/2022 | 01/10/2023 | One Red Flag |
| G8 FLM LTD | 11887591 | 30/12/2022 | 01/10/2023 | One Red Flag |
| GALAXY RADIO SCOTLAND LIMITED | SC168821 | 14/01/2003 | 08/08/2003 | Gold |
| GLOBAL CHARITIES (TRADING) LIMITED | 04374705 | 15/02/2002 | 08/08/2003 | Bronze |
| GOODSANDSERVICES.TV LIMITED | 02302673 | 13/01/2020 | 01/10/2023 | Bronze |
| KYP HOLDINGS PLC | 04677483 | 14/10/2004 | 15/03/2005 | Dissolved |
| MARKETING MEDIA INVESTMENTS LIMITED | 09675512 | 30/12/2022 | 01/10/2023 | One Red Flag |
| Magic 105.4-Cash for Kids | 06788429 | 12/01/2009 | 01/04/2009 | Dissolved |
| PERFECT INFORMATION LIMITED | 02758652 | 13/11/2013 | 12/06/2014 | Dissolved |
| PROFESSIONAL PUBLISHERS ASSOCIATION LTD | 00132310 | 29/03/2016 | 22/11/2019 | Bronze |
| RADIO INVICTA LIMITED | 01475448 | 04/12/2002 | 08/08/2003 | Silver |
| SMOKE AND MIRRORS PRODUCTIONS LIMITED | 03012951 | 13/01/2020 | 01/10/2023 | One Red Flag |
| SOUTHERN RADIO LIMITED | 01602035 | 24/01/2003 | 08/08/2003 | Silver |
| TAG EUROPE LIMITED | 02299109 | 13/01/2020 | 01/10/2023 | One Red Flag |
| TAG PAC LIMITED | 06434923 | 13/01/2020 | 01/10/2023 | One Red Flag |
| TAG RESPONSE LIMITED | 02656579 | 13/01/2020 | 01/10/2023 | Amber |
| TAG TOPCO LIMITED | 07535335 | 24/02/2020 | 01/10/2023 | One Red Flag |
| TAG WORLDWIDE GROUP LIMITED | 01031786 | 13/01/2020 | 01/10/2023 | Bronze |
| THE GATE FILMS LIMITED | 03399186 | 30/12/2022 | 01/10/2023 | One Red Flag |
| THE MEDIA TRUST | 02895790 | 12/02/2019 | 17/05/2022 | Silver |
| THE ROUNDHOUSE TRUST | 03572184 | 14/07/2011 | 20/07/2017 | Silver |
| UK-EVOKE | FC039377 | 05/07/2022 | 30/09/2023 | Bronze |